Why do relational databases use primary keys and foreign keys?
A) To create a database
B) To create physical relationships
C) To create logical relationships
D) All of the above
Correct Answer:
Verified
Q6: What is a foreign key?
A) A field
Q7: What is a primary key?
A) A field
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Q14: Which of the following is the characteristic
Q18: All of the following are advantages of
Q73: Which of the following represents the different
Q79: Which of the following represents the different
Q128: Which of the following is not one
Q139: Which of the following implies that aggregate
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